all about

英语作文All about me？

My name is Li Ping. I am an eleven-year-old girl. I like collecting stamps, reading books and playing table tennis. I study hard so that I can always get good grade. I like helping others when people are in trouble. I often help my classmates with their studies. Once one of my classmate fell ill. I took her to hospital and then sent her home. She thanked me a lot. Helping others can make me happy.

these are all books about science有没有错误？

不对。

应该是：

These books are all about science.

意思就是：

这些书都是关于科学的。

开机出现all boot options are tried.怎么办？

all boot options are tried的意思是：引动文件出错，无法正常进入系统。

具体解决方法如下：

1、开机过程中按F2键，进入BIOS界面按F9恢复默认值,F10保存退出。

2、开机过程中按F2进入BIOS。选择"Boot"菜单-选择‘Secure Boot’设置为‘Disabled’-选择‘OS Mode Selection’ 设置为 UEFI and CSM OS-按F10键保存退出。

3、开机过程中按F4键恢复出厂自带系统。

4、如自带系统删除或损坏，请安装纯净版或安装版系统。

5、硬盘重新分区、格式化测试。

6、硬盘或内存等硬件问题，建议送服务中心检测维修。